Precalculus 2014
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28
| PAGE: 782 | SET: Exercises | PROBLEM: 28 |
Please look in your text book for this problem Statement
The integral is 
.
Find the area between the graph of each function and the 
-axis.
Area of the function is 
.
Where 
and 
.
Where 
is the number of subintervals.
Substitute 
in .
.
Substitute 
and 
in .
.
Area of the function is .
Substitute and 
.
Apply summation formula: 
.
The cost of the production is 
.
Graph the region:
.
The cost of the production is .
The cost of the production is .
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